A moving coil instrument gives a full scale deflection (F.S.D) with a current of 30mA (0.030A) and a voltage of 90mv(0.090v). Calculate the value of a resistor to be connected in series with the instruments so that it can be used to read 0-100voltsr
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Expert's answer
2020-02-06T09:25:19-0500
Maximum deflection of the instrument occurs at 0.09 volts
we have to add a resistance that can measure 100 volts
resistance = voltage/ current =(100-0.09)/0.03 = 3330 "\\Omega"
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Thanks a lot ,very helpful.please can you explain more about the question and please tell me about the topic.
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